An alcoholic beverage that does not taste like alcohol and often has a sweet or pleasant taste and which results in excessive drunkenness generally from the female persuasion. In other words, a drink which gets girls (and some guys) trashed without them realizing it but not illegal like a roofy.

Charlie: The Danish exchange student came over to my place last night for drinks and Nintendo.
Matt: Oh yeah, how that go?
Charlie: Great! I fed her pantie removers, showed my duck-hunt skills and she was mine!
Matt: Nice...